C++ KisPaintDeviceSP::y方法代码示例

void KisPaintDeviceTest::testMakeClone()
{
    QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");

    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP srcDev = new KisPaintDevice(cs);
    srcDev->convertFromQImage(image, 0);
    srcDev->move(10,10);

    const KoColorSpace * weirdCS = KoColorSpaceRegistry::instance()->lab16();
    KisPaintDeviceSP dstDev = new KisPaintDevice(weirdCS);
    dstDev->move(1000,1000);

    QVERIFY(!dstDev->fastBitBltPossible(srcDev));

    QRect cloneRect(100,100,200,200);
    QPoint errpoint;

    dstDev->makeCloneFrom(srcDev, cloneRect);

    QVERIFY(*dstDev->colorSpace() == *srcDev->colorSpace());
    QCOMPARE(dstDev->pixelSize(), srcDev->pixelSize());
    QCOMPARE(dstDev->x(), srcDev->x());
    QCOMPARE(dstDev->y(), srcDev->y());
    QCOMPARE(dstDev->exactBounds(), cloneRect);

    QImage srcImage = srcDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                              cloneRect.width(), cloneRect.height());
    QImage dstImage = dstDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                              cloneRect.width(), cloneRect.height());
    if (!TestUtil::compareQImages(errpoint, dstImage, srcImage)) {
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }
}

void KisPaintDeviceTest::testCreation()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);
    QVERIFY(dev->objectName().isEmpty());

    dev = new KisPaintDevice(cs);
    QVERIFY(*dev->colorSpace() == *cs);
    QVERIFY(dev->x() == 0);
    QVERIFY(dev->y() == 0);
    QVERIFY(dev->pixelSize() == cs->pixelSize());
    QVERIFY(dev->channelCount() == cs->channelCount());
    QVERIFY(dev->dataManager() != 0);

    KisImageSP image = new KisImage(0, 1000, 1000, cs, "merge test");
    KisPaintLayerSP layer = new KisPaintLayer(image, "bla", 125);

    dev = new KisPaintDevice(layer.data(), cs);
    QVERIFY(*dev->colorSpace() == *cs);
    QVERIFY(dev->x() == 0);
    QVERIFY(dev->y() == 0);
    QVERIFY(dev->pixelSize() == cs->pixelSize());
    QVERIFY(dev->channelCount() == cs->channelCount());
    QVERIFY(dev->dataManager() != 0);

    // Let the layer go out of scope and see what happens
    {
        KisPaintLayerSP l2 = new KisPaintLayer(image, "blabla", 250);
        dev = new KisPaintDevice(l2.data(), cs);
    }

}

void KisClipboardTest::testRoundTrip()
{
    const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);
    KisPaintDeviceSP newDev;
    QPoint errorPoint;

    QRect fillRect(10,10,20,20);
    KoColor pixel(Qt::red, cs);
    dev->fill(fillRect.x(),fillRect.y(),
              fillRect.width(), fillRect.height(), pixel.data());

    QCOMPARE(dev->exactBounds(), fillRect);
    KisClipboard::instance()->setClip(dev, QPoint());
    newDev = KisClipboard::instance()->clip(QPoint());
    QCOMPARE(newDev->exactBounds().size(), fillRect.size());
    newDev->setX(dev->x());
    newDev->setY(dev->y());
    QVERIFY(TestUtil::comparePaintDevices(errorPoint, dev, newDev));

    QPoint offset(100,100);
    dev->setX(offset.x());
    dev->setY(offset.y());

    QCOMPARE(dev->exactBounds(), fillRect.translated(offset));
    KisClipboard::instance()->setClip(dev, QPoint());
    newDev = KisClipboard::instance()->clip(QPoint());
    QCOMPARE(newDev->exactBounds().size(), fillRect.translated(offset).size());
    newDev->setX(dev->x());
    newDev->setY(dev->y());
    QVERIFY(TestUtil::comparePaintDevices(errorPoint, dev, newDev));
}

void KisKraLoaderTest::testLoadAnimated()
{
    KisDocument *doc = KisPart::instance()->createDocument();
    doc->loadNativeFormat(QString(FILES_DATA_DIR) + QDir::separator() + "load_test_animation.kra");
    KisImageSP image = doc->image();

    KisNodeSP node1 = image->root()->firstChild();
    KisNodeSP node2 = node1->nextSibling();

    QVERIFY(node1->inherits("KisPaintLayer"));
    QVERIFY(node2->inherits("KisPaintLayer"));

    KisPaintLayerSP layer1 = qobject_cast<KisPaintLayer*>(node1.data());
    KisPaintLayerSP layer2 = qobject_cast<KisPaintLayer*>(node2.data());
    KisKeyframeChannel *channel1 = layer1->getKeyframeChannel(KisKeyframeChannel::Content.id());
    KisKeyframeChannel *channel2 = layer2->getKeyframeChannel(KisKeyframeChannel::Content.id());

    QCOMPARE(channel1->keyframeCount(), 3);
    QCOMPARE(channel2->keyframeCount(), 1);

    QCOMPARE(image->animationInterface()->framerate(), 17);
    QCOMPARE(image->animationInterface()->fullClipRange(), KisTimeRange::fromTime(15, 45));
    QCOMPARE(image->animationInterface()->currentTime(), 19);

    KisPaintDeviceSP dev = layer1->paintDevice();

    const KoColorSpace *cs = dev->colorSpace();
    KoColor transparent(Qt::transparent, cs);
    KoColor white(Qt::white, cs);
    KoColor red(Qt::red, cs);

    image->animationInterface()->switchCurrentTimeAsync(0);
    image->waitForDone();

    QCOMPARE(dev->exactBounds(), QRect(506, 378, 198, 198));
    QCOMPARE(dev->x(), -26);
    QCOMPARE(dev->y(), -128);
    QCOMPARE(dev->defaultPixel(), transparent);

    image->animationInterface()->switchCurrentTimeAsync(20);
    image->waitForDone();

    QCOMPARE(dev->nonDefaultPixelArea(), QRect(615, 416, 129, 129));
    QCOMPARE(dev->x(), 502);
    QCOMPARE(dev->y(), 224);
    QCOMPARE(dev->defaultPixel(), white);

    image->animationInterface()->switchCurrentTimeAsync(30);
    image->waitForDone();

    QCOMPARE(dev->nonDefaultPixelArea(), QRect(729, 452, 45, 44));
    QCOMPARE(dev->x(), 645);
    QCOMPARE(dev->y(), -10);
    QCOMPARE(dev->defaultPixel(), red);
}

void MoveSelectionStrokeStrategy::initStrokeCallback()
{
    KisStrokeStrategyUndoCommandBased::initStrokeCallback();

    KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();

    KisPaintDeviceSP movedDevice = new KisPaintDevice(m_paintLayer.data(), paintDevice->colorSpace());


    QRect copyRect = m_selection->selectedRect();
    KisPainter gc(movedDevice);
    gc.setSelection(m_selection);
    gc.bitBlt(copyRect.topLeft(), paintDevice, copyRect);
    gc.end();

    KisTransaction cutTransaction(name(), paintDevice);
    paintDevice->clearSelection(m_selection);
    runAndSaveCommand(KUndo2CommandSP(cutTransaction.endAndTake()),
                      KisStrokeJobData::SEQUENTIAL,
                      KisStrokeJobData::NORMAL);

    KisIndirectPaintingSupport *indirect =
        static_cast<KisIndirectPaintingSupport*>(m_paintLayer.data());
    indirect->setTemporaryTarget(movedDevice);
    indirect->setTemporaryCompositeOp(COMPOSITE_OVER);
    indirect->setTemporaryOpacity(OPACITY_OPAQUE_U8);

    m_initialDeviceOffset = QPoint(movedDevice->x(), movedDevice->y());

    m_selection->setVisible(false);
}

void MoveSelectionStrokeStrategy::doStrokeCallback(KisStrokeJobData *data)
{
    MoveStrokeStrategy::Data *d = dynamic_cast<MoveStrokeStrategy::Data*>(data);

    if (d) {
        KisIndirectPaintingSupport *indirect =
            static_cast<KisIndirectPaintingSupport*>(m_paintLayer.data());

        KisPaintDeviceSP movedDevice = indirect->temporaryTarget();

        QRegion dirtyRegion = movedDevice->region();

        QPoint currentDeviceOffset(movedDevice->x(), movedDevice->y());
        QPoint newDeviceOffset(m_initialDeviceOffset + d->offset);

        dirtyRegion |= dirtyRegion.translated(newDeviceOffset - currentDeviceOffset);

        movedDevice->setX(newDeviceOffset.x());
        movedDevice->setY(newDeviceOffset.y());
        m_finalOffset = d->offset;

        m_paintLayer->setDirty(dirtyRegion);
    } else {
        KisStrokeStrategyUndoCommandBased::doStrokeCallback(data);
    }
}

KisTransactionData::KisTransactionData(const QString& name, KisPaintDeviceSP device, KUndo2Command* parent)
        : KUndo2Command(name, parent)
        , m_d(new Private())
{
    m_d->device = device;
    DEBUG_ACTION("Transaction started");
    m_d->memento = device->dataManager()->getMemento();
    m_d->oldOffset = QPoint(device->x(), device->y());
    m_d->firstRedo = true;
    m_d->transactionFinished = false;
}

KisPaintDeviceSP KisShearVisitor::yShear(KisPaintDeviceSP src, qreal shearY, KoUpdater *progress)
{
    int start = progress->progress();

    KisPaintDeviceSP dst = KisPaintDeviceSP(new KisPaintDevice(src->colorSpace()));
    KoMixColorsOp * mixOp = src->colorSpace()->mixColorsOp();

    dst->setX(src->x());
    dst->setY(src->y());

    QRect r = src->exactBounds();

    qreal displacement;
    qint32 displacementInt;
    qreal weight;

    for (qint32 x = r.left(); x <= r.right(); x++) {

        //calculate displacement
        displacement = x * shearY;

        displacementInt = (qint32)(floor(displacement));
        weight = displacement - displacementInt;

        qint16 pixelWeights[2];

        pixelWeights[0] = static_cast<quint8>(weight * 255 + 0.5);
        pixelWeights[1] = 255 - pixelWeights[0];

        KisVLineConstIteratorPixel srcIt = src->createVLineIterator(x, r.y(), r.height() + 1);
        KisVLineIteratorPixel leftSrcIt = src->createVLineIterator(x, r.y() - 1, r.height() + 1);
        KisVLineIteratorPixel dstIt = dst->createVLineIterator(x, r.y() + displacementInt, r.height() + 1);

        while (!srcIt.isDone()) {

            const quint8 *pixelPtrs[2];

            pixelPtrs[0] = leftSrcIt.rawData();
            pixelPtrs[1] = srcIt.rawData();

            mixOp->mixColors(pixelPtrs, pixelWeights, 2, dstIt.rawData());

            ++srcIt;
            ++leftSrcIt;
            ++dstIt;
        }
        progress->setProgress(start + x);
    }
    return dst;
}

KisPaintDeviceSP KisShearVisitor::xShear(KisPaintDeviceSP src, qreal shearX, KoUpdater *progress)
{
    KisPaintDeviceSP dst = KisPaintDeviceSP(new KisPaintDevice(src->colorSpace()));
    dst->setX(src->x());
    dst->setY(src->y());

    QRect r = src->exactBounds();

    qreal displacement;
    qint32 displacementInt;
    qreal weight;

    KoMixColorsOp * mixOp = src->colorSpace()->mixColorsOp();

    for (qint32 y = r.top(); y <= r.bottom(); y++) {

        //calculate displacement
        displacement = -y * shearX;

        displacementInt = (qint32)(floor(displacement));
        weight = displacement - displacementInt;

        qint16 pixelWeights[2];

        pixelWeights[0] = static_cast<quint8>(weight * 255 + 0.5);
        pixelWeights[1] = 255 - pixelWeights[0];

        KisHLineConstIteratorPixel srcIt = src->createHLineIterator(r.x(), y, r.width() + 1);
        KisHLineConstIteratorPixel leftSrcIt = src->createHLineIterator(r.x() - 1, y, r.width() + 1);
        KisHLineIteratorPixel dstIt = dst->createHLineIterator(r.x() + displacementInt, y, r.width() + 1);

        while (!srcIt.isDone()) {

            const quint8 *pixelPtrs[2];

            pixelPtrs[0] = leftSrcIt.rawData();
            pixelPtrs[1] = srcIt.rawData();

            mixOp->mixColors(pixelPtrs, pixelWeights, 2, dstIt.rawData());

            ++srcIt;
            ++leftSrcIt;
            ++dstIt;
        }
        progress->setProgress(y);

    }
    return dst;
}

void KisPaintDeviceTest::testSharedDataManager()
{
    QRect fillRect(0,0,100,100);
    quint8 fillPixel[4]={255,255,255,255};
    QRect clearRect(10,10,20,20);
    QImage srcImage;
    QImage dstImage;

    const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP srcDevice = new KisPaintDevice(cs);

    srcDevice->setX(10);
    srcDevice->setY(20);

    srcDevice->fill(fillRect.left(), fillRect.top(),
                 fillRect.width(), fillRect.height(),fillPixel);

    KisPaintDeviceSP dstDevice = new KisPaintDevice(srcDevice->dataManager(), srcDevice);


    QVERIFY(srcDevice->extent() == dstDevice->extent());
    QVERIFY(srcDevice->exactBounds() == dstDevice->exactBounds());
    QVERIFY(srcDevice->defaultBounds() == dstDevice->defaultBounds());
    QVERIFY(srcDevice->x() == dstDevice->x());
    QVERIFY(srcDevice->y() == dstDevice->y());

    srcImage = srcDevice->convertToQImage(0);
    dstImage = dstDevice->convertToQImage(0);
    QVERIFY(srcImage == dstImage);

    srcDevice->clear(clearRect);

    srcImage = srcDevice->convertToQImage(0);
    dstImage = dstDevice->convertToQImage(0);
    QVERIFY(srcImage == dstImage);
}

void KisPasteActionFactory::run(KisView2 *view)
{
    KisImageWSP image = view->image();

    //figure out where to position the clip
    // XXX: Fix this for internal points & zoom! (BSAR)
    QWidget * w = view->canvas();
    QPoint center = QPoint(w->width() / 2, w->height() / 2);
    QPoint bottomright = QPoint(w->width(), w->height());
    if (bottomright.x() > image->width())
        center.setX(image->width() / 2);
    if (bottomright.y() > image->height())
        center.setY(image->height() / 2);

    const KoCanvasBase* canvasBase = view->canvasBase();
    const KoViewConverter* viewConverter = view->canvasBase()->viewConverter();

    KisPaintDeviceSP clip = KisClipboard::instance()->clip(
        QPoint(
            viewConverter->viewToDocumentX(canvasBase->canvasController()->canvasOffsetX()) + center.x(),
            viewConverter->viewToDocumentY(canvasBase->canvasController()->canvasOffsetY()) + center.y()));

    if (clip) {
        // Pasted layer content could be outside image bounds and invisible, if that is the case move content into the bounds
        QRect exactBounds = clip->exactBounds();
        if (!exactBounds.isEmpty() && !exactBounds.intersects(image->bounds())) {
            clip->setX(clip->x() - exactBounds.x());
            clip->setY(clip->y() - exactBounds.y());
        }

        KisPaintLayer *newLayer = new KisPaintLayer(image.data(), image->nextLayerName() + i18n("(pasted)"), OPACITY_OPAQUE_U8, clip);
        KisNodeSP aboveNode = view->activeLayer();
        KisNodeSP parentNode = aboveNode ? aboveNode->parent() : image->root();

        KUndo2Command *cmd = new KisImageLayerAddCommand(image, newLayer, parentNode, aboveNode);
        KisProcessingApplicator *ap = beginAction(view, cmd->text());
        ap->applyCommand(cmd, KisStrokeJobData::SEQUENTIAL, KisStrokeJobData::NORMAL);
        endAction(ap, KisOperationConfiguration(id()).toXML());
    } else {
#ifdef __GNUC__
#warning "Add saving of XML data for Paste of shapes"
#endif

        view->canvasBase()->toolProxy()->paste();
    }
}

void KisTransactionTest::testDeviceMove()
{
    KisSurrogateUndoAdapter undoAdapter;

    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);

    QCOMPARE(dev->x(), 0);
    QCOMPARE(dev->y(), 0);

    KisTransaction t1(kundo2_noi18n("move1"), dev, 0);
    dev->moveTo(10,20);
    t1.commit(&undoAdapter);

    QCOMPARE(dev->x(), 10);
    QCOMPARE(dev->y(), 20);

    KisTransaction t2(kundo2_noi18n("move2"), dev, 0);
    dev->moveTo(7,11);
    t2.commit(&undoAdapter);

    QCOMPARE(dev->x(),  7);
    QCOMPARE(dev->y(), 11);

    undoAdapter.undo();

    QCOMPARE(dev->x(), 10);
    QCOMPARE(dev->y(), 20);

    undoAdapter.undo();

    QCOMPARE(dev->x(), 0);
    QCOMPARE(dev->y(), 0);

    undoAdapter.redo();

    QCOMPARE(dev->x(), 10);
    QCOMPARE(dev->y(), 20);

    undoAdapter.redo();

    QCOMPARE(dev->x(),  7);
    QCOMPARE(dev->y(), 11);
}

void KisGmicSimpleConvertor::convertToGmicImageFast(KisPaintDeviceSP dev, CImg< float >& gmicImage, QRect rc)
{
    KoColorTransformation * pixelToGmicPixelFormat = createTransformation(dev->colorSpace());
    if (pixelToGmicPixelFormat == 0)
    {
        dbgPlugins << "Fall-back to slow color conversion method";
        convertToGmicImage(dev, gmicImage, rc);
        return;
    }

    if (rc.isEmpty())
    {
        dbgPlugins << "Image rectangle is empty! Using supplied gmic layer dimension";
        rc = QRect(0,0,gmicImage._width, gmicImage._height);
    }

    qint32 x = rc.x();
    qint32 y = rc.y();
    qint32 width = rc.width();
    qint32 height = rc.height();

    width  = width < 0  ? 0 : width;
    height = height < 0 ? 0 : height;

    const qint32 numChannels = 4;

    int greenOffset = gmicImage._width * gmicImage._height;
    int blueOffset = greenOffset * 2;
    int alphaOffset = greenOffset * 3;

    QVector<float *> planes;
    planes.append(gmicImage._data);
    planes.append(gmicImage._data + greenOffset);
    planes.append(gmicImage._data + blueOffset);
    planes.append(gmicImage._data + alphaOffset);

    KisRandomConstAccessorSP it = dev->createRandomConstAccessorNG(dev->x(), dev->y());
    int tileWidth = it->numContiguousColumns(dev->x());
    int tileHeight = it->numContiguousRows(dev->y());

    Q_ASSERT(tileWidth == 64);
    Q_ASSERT(tileHeight == 64);

    const KoColorSpace *rgbaFloat32bitcolorSpace = KoColorSpaceRegistry::instance()->colorSpace(RGBAColorModelID.id(),
                                                                                                Float32BitsColorDepthID.id(),
                                                                                                KoColorSpaceRegistry::instance()->rgb8()->profile());
    Q_CHECK_PTR(rgbaFloat32bitcolorSpace);
    const qint32 dstPixelSize = rgbaFloat32bitcolorSpace->pixelSize();
    const qint32 srcPixelSize = dev->pixelSize();

    quint8 * dstTile = new quint8[rgbaFloat32bitcolorSpace->pixelSize() * tileWidth * tileHeight];

    qint32 dataY = 0;
    qint32 imageX = x;
    qint32 imageY = y;
    it->moveTo(imageX, imageY);
    qint32 rowsRemaining = height;

    while (rowsRemaining > 0) {

        qint32 dataX = 0;
        imageX = x;
        qint32 columnsRemaining = width;
        qint32 numContiguousImageRows = it->numContiguousRows(imageY);

        qint32 rowsToWork = qMin(numContiguousImageRows, rowsRemaining);
        qint32 convertedTileY = tileHeight - rowsToWork;
        Q_ASSERT(convertedTileY >= 0);

        while (columnsRemaining > 0) {

            qint32 numContiguousImageColumns = it->numContiguousColumns(imageX);
            qint32 columnsToWork = qMin(numContiguousImageColumns, columnsRemaining);
            qint32 convertedTileX = tileWidth - columnsToWork;
            Q_ASSERT(convertedTileX >= 0);

            const qint32 dataIdx = dataX + dataY * width;
            const qint32 dstTileIndex = convertedTileX + convertedTileY * tileWidth;
            const qint32 tileRowStride = (tileWidth - columnsToWork) * dstPixelSize;
            const qint32 srcTileRowStride = (tileWidth - columnsToWork) * srcPixelSize;

            it->moveTo(imageX, imageY);
            quint8 *tileItStart = dstTile + dstTileIndex * dstPixelSize;

            // transform tile row by row
            quint8 *dstTileIt = tileItStart;
            quint8 *srcTileIt = const_cast<quint8*>(it->rawDataConst());

            qint32 row = rowsToWork;
            while (row > 0)
            {
                pixelToGmicPixelFormat->transform(srcTileIt, dstTileIt , columnsToWork);
                srcTileIt += columnsToWork * srcPixelSize;
                srcTileIt += srcTileRowStride;

                dstTileIt += columnsToWork * dstPixelSize;
                dstTileIt += tileRowStride;

                row--;
            }
//.........这里部分代码省略.........

void KisGmicSimpleConvertor::convertFromGmicFast(gmic_image<float>& gmicImage, KisPaintDeviceSP dst, float gmicUnitValue)
{
    const KoColorSpace * dstColorSpace = dst->colorSpace();
    KoColorTransformation * gmicToDstPixelFormat = createTransformationFromGmic(dstColorSpace,gmicImage._spectrum,gmicUnitValue);
    if (gmicToDstPixelFormat == 0)
    {
            dbgPlugins << "Fall-back to slow color conversion";
            convertFromGmicImage(gmicImage, dst, gmicUnitValue);
            return;
    }

    qint32 x = 0;
    qint32 y = 0;
    qint32 width = gmicImage._width;
    qint32 height = gmicImage._height;

    width  = width < 0  ? 0 : width;
    height = height < 0 ? 0 : height;


    const KoColorSpace *rgbaFloat32bitcolorSpace = KoColorSpaceRegistry::instance()->colorSpace(RGBAColorModelID.id(),
                                                                                                Float32BitsColorDepthID.id(),
                                                                                                KoColorSpaceRegistry::instance()->rgb8()->profile());
    // this function always convert to rgba or rgb with various color depth
    quint32 dstNumChannels = rgbaFloat32bitcolorSpace->channelCount();
    // number of channels that we will copy
    quint32 numChannels = gmicImage._spectrum;

    // gmic image has 4, 3, 2, 1 channel
    QVector<float *> planes(dstNumChannels);
    int channelOffset = gmicImage._width * gmicImage._height;
    for (unsigned int channelIndex = 0; channelIndex < gmicImage._spectrum; channelIndex++)
    {
        planes[channelIndex] = gmicImage._data + channelOffset * channelIndex;
    }

    for (unsigned int channelIndex = gmicImage._spectrum; channelIndex < dstNumChannels; channelIndex++)
    {
        planes[channelIndex] = 0; //turn off
    }

    qint32 dataY = 0;
    qint32 imageY = y;
    qint32 rowsRemaining = height;

    const qint32 floatPixelSize = rgbaFloat32bitcolorSpace->pixelSize();

    KisRandomAccessorSP it = dst->createRandomAccessorNG(dst->x(), dst->y()); // 0,0
    int tileWidth = it->numContiguousColumns(dst->x());
    int tileHeight = it->numContiguousRows(dst->y());
    Q_ASSERT(tileWidth == 64);
    Q_ASSERT(tileHeight == 64);
    quint8 * convertedTile = new quint8[rgbaFloat32bitcolorSpace->pixelSize() * tileWidth * tileHeight];

    // grayscale and rgb case does not have alpha, so let's fill 4th channel of rgba tile with opacity opaque
    if (gmicImage._spectrum == 1 || gmicImage._spectrum == 3)
    {
        quint32 nPixels = tileWidth * tileHeight;
        quint32 pixelIndex = 0;
        KoRgbF32Traits::Pixel* srcPixel = reinterpret_cast<KoRgbF32Traits::Pixel*>(convertedTile);
        while (pixelIndex < nPixels)
        {
            srcPixel->alpha = gmicUnitValue;
            ++srcPixel;
            ++pixelIndex;
        }
    }

    while (rowsRemaining > 0) {

        qint32 dataX = 0;
        qint32 imageX = x;
        qint32 columnsRemaining = width;
        qint32 numContiguousImageRows = it->numContiguousRows(imageY);

        qint32 rowsToWork = qMin(numContiguousImageRows, rowsRemaining);

        while (columnsRemaining > 0) {

            qint32 numContiguousImageColumns = it->numContiguousColumns(imageX);
            qint32 columnsToWork = qMin(numContiguousImageColumns, columnsRemaining);

            const qint32 dataIdx = dataX + dataY * width;
            const qint32 tileRowStride = (tileWidth - columnsToWork) * floatPixelSize;

            quint8 *tileItStart = convertedTile;
            // copy gmic channels to float tile
            qint32 channelSize = sizeof(float);
            for(quint32 i=0; i<numChannels; i++)
            {
                float * planeIt = planes[i] + dataIdx;
                qint32 dataStride = (width - columnsToWork);
                quint8* tileIt = tileItStart;

                for (qint32 row = 0; row < rowsToWork; row++) {
                    for (int col = 0; col < columnsToWork; col++) {
                        memcpy(tileIt, planeIt, channelSize);
                        tileIt += floatPixelSize;
                        planeIt += 1;
                    }
//.........这里部分代码省略.........